1/*
2 * Copyright (C) 2010 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef JSWeakObjectMapRefInternal_h
27#define JSWeakObjectMapRefInternal_h
28
29#include "WeakGCMap.h"
30#include <wtf/RefCounted.h>
31
32namespace JSC {
33
34class JSObject;
35
36}
37
38typedef void (*JSWeakMapDestroyedCallback)(struct OpaqueJSWeakObjectMap*, void*);
39
40typedef JSC::WeakGCMap<void*, JSC::JSObject> WeakMapType;
41
42struct OpaqueJSWeakObjectMap : public RefCounted<OpaqueJSWeakObjectMap> {
43public:
44    static PassRefPtr<OpaqueJSWeakObjectMap> create(void* data, JSWeakMapDestroyedCallback callback)
45    {
46        return adoptRef(new OpaqueJSWeakObjectMap(data, callback));
47    }
48
49    WeakMapType& map() { return m_map; }
50
51    ~OpaqueJSWeakObjectMap()
52    {
53        m_callback(this, m_data);
54    }
55
56private:
57    OpaqueJSWeakObjectMap(void* data, JSWeakMapDestroyedCallback callback)
58        : m_data(data)
59        , m_callback(callback)
60    {
61    }
62    WeakMapType m_map;
63    void* m_data;
64    JSWeakMapDestroyedCallback m_callback;
65};
66
67
68#endif // JSWeakObjectMapInternal_h
69